What is jQuery and What Is It Used For?

2014-04-29

2016-07-19

Technologies

js, node.js, java script, jquery

Nowadays, the development of web technologies is strongly influenced by the constantly growing requirements and expectations of web users. Having an interactive, impressive and trendy website is a must for successful online presence.

During the early years of the Internet the information was mainly presented as plain text. Today, however, users demand more – images, animations, audio and video, online chats, infographics, slides, etc.

One of the web technologies by which you can make your website look trendy and create exceptional user experience is jQuery.

The idea behind jQuery is reducing the amount of JavaScript code while achieving better results. jQuery adds new features to JavaScript. jQuery allows the easy creation of interactive navigation menus, sliders, galleries and many more.

If we compare visualization of information online to a dancer, we can say that at the dawn of Internet he only had to perform simple steps for beginners, but nowadays he must participate in challenging tango and salsa dancing competitions. 🙂

Before introducing you to jQuery and its power we will first have a brief look at its base – JavaScript.

What is JavaScript?

JavaScript is a scripting programming language which makes a static web page dynamic.

JavaScript is used not only for creating interactive web pages, but also for developing games and scripts that are executed by the server. One of the technologies used is Node.js.

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The dynamics of a certain website may consist in changing the content which is displayed on the webpage when a user performs an action.

JavaScript Libraries

Javascript library is a pre-written JavaScript code. It can be used when it’s necessary to add a certain functionality to the website. Instead of starting from scratch, a previously created library which offers this functionality can be used.

Libraries reduce the time necessary for a web project development.

What is jQuery?

​jQuery is one of the most popular and widely used JavaScript libraries. It was developed by John Resig and officially released on the web in 2006.

The library is designed to facilitate and simplify writing JavaScript code, while it is flexible and provides options for adding plugins.

Some of the advantages of the specially developed jQuery mobile version are:

It is widely supported by mobile devices and web browsers. With jQuery Mobile it is almost certain that anyone can access your website through their mobile devices. Thanks to some of the jQuery Mobile improvements now a mobile device which cannot process CSS and Ajax can handle a web document with the most basic HTML elements.

Web page elements such as registration forms, radio buttons and sliders are now available for touchscreen devices. It is possible to select a single checkbox without zooming the page in order to tick the desired field.

Responsive (adaptive) design. All of the website elements like tables and texts are designed in a flexible way so that they are perfectly displayed on different mobile device resolutions.

Some of the jQuery advantages when compared to the other Javascript libraries: It is easy to use, it achieves more functionality with less coding, it is a large library which performs a lot of functions, it has thousands of ready plugins and profound help information, it supports Ajax, etc.

How to use jQuery?

The library is practically one .js file, which can be downloaded from jQueryhttp://jquery.com website and saved in the web project folder. Then it has to be embedded in the website code:

Do you use jQuery for your web projects? Which effects do you fancy the most?

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